Dynaflex Pro Sports Gyro Exerciser

Dyna-Flex Exerciser Therapeutic for hands, wrists, arms, biceps & triceps with its high performance design The Dyna-Flex gyroscopic exerciser is a fine precision instrument capable of speeds over 9,000 RPM. Dyna-Flex provides a relaxing and extremely effective way to strengthen your grip, wrist, forearm and biceps, as well as improving coordination without strenuous exercise.